<template>
  <div class="dashboard-container">

    <div style="margin-top: 50px" />

    <el-row :gutter="40" class="panel-group">
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-people">
            <svg-icon icon-class="peoples" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">用户总数</div>
            <count-to
              :start-val="0"
              :end-val="totalNum[0]"
              class="card-panel-num"
            />
          </div>
        </div>
      </el-col>
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-message">
            <svg-icon icon-class="message" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">评论总数</div>
            <count-to
              :start-val="0"
              :end-val="totalNum[1]"
              class="card-panel-num"
            />
          </div>
        </div>
      </el-col>
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-money">
            <svg-icon icon-class="content" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">发表总数</div>
            <count-to
              :start-val="0"
              :end-val="totalNum[2]"
              class="card-panel-num"
            />
          </div>
        </div>
      </el-col>
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-shopping">
            <svg-icon icon-class="zan" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">点赞总数</div>
            <count-to
              :start-val="0"
              :end-val="totalNum[3]"
              class="card-panel-num"
            />
          </div>
        </div>
      </el-col>
    </el-row>

    <!-- 图标 -->
    <el-col :xs="24" :sm="12" :md="12">
      <!-- 统计图容器 -->
      <div id="echarts-2" style="height: 270px" />
    </el-col>
    <el-col :xs="24" :sm="12" :md="12">
      <!-- 统计图容器 -->
      <div id="echarts-1" style="height: 270px" />
    </el-col>
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import CountTo from 'vue-count-to'

const echarts = require('echarts')

// 引入接口定义的js文件
import echartsApi from '@/api/echartsApi'

export default {
  name: 'Dashboard',
  components: {
    CountTo
  },
  data() {
    return {
      cNum: [],
      cTitle: [],
      metaDatas: [],
      totalNum: []
    }
  },
  computed: {
    ...mapGetters(['name'])
  },

  mounted() {
    this.getNums()
    this.contentNum()
    this.MetaNum()
  },
  methods: {
    getNums() {
      echartsApi.getNums().then((response) => {
        this.totalNum = response.data
      })
    },

    contentNum() {
      echartsApi.getContentsNum().then((response) => {
        this.cTitle = response.data[0]
        this.cNum = response.data[1]

        // 初始化echarts实例
        const myChart = echarts.init(document.getElementById('echarts-1'))
        // 配置参数
        const option = {
          title: {
            text: '7日有效数据发布情况'
          },
          tooltip: {},
          legend: {
            data: ['数量']
          },
          xAxis: {
            data: this.cTitle
          },
          yAxis: {},
          series: [
            {
              name: '数量',
              type: 'line',
              smooth: true,
              data: this.cNum
            }
          ]
        }
        myChart.setOption(option)
      })
    },
    MetaNum() {
      echartsApi.getMetaContentNum().then((response) => {
        this.metaDatas = response.data
        // 初始化echarts实例
        const myChart = echarts.init(document.getElementById('echarts-2'))
        // 配置参数
        const option = {
          title: {
            text: '分类发表比例',
            subtext: '',
            left: 'center'
          },
          tooltip: {
            trigger: 'item'
          },
          legend: {
            orient: 'vertical',
            left: 'left'
          },
          series: [
            {
              name: '数据',
              type: 'pie',
              radius: '70%',
              data: this.metaDatas,
              emphasis: {
                itemStyle: {
                  shadowBlur: 10,
                  shadowOffsetX: 0,
                  shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
              }
            }
          ]
        }

        myChart.setOption(option)
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.dashboard {
  &-container {
    margin: 30px;
  }

  &-text {
    font-size: 30px;
    line-height: 46px;
  }
}

.panel-group {
  margin-top: 18px;

  .card-panel-col {
    margin-bottom: 32px;
  }

  .card-panel {
    height: 108px;
    cursor: pointer;
    font-size: 12px;
    position: relative;
    overflow: hidden;
    color: #666;
    background: #fff;
    box-shadow: 4px 4px 40px rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.05);

    &:hover {
      .card-panel-icon-wrapper {
        color: #fff;
      }

      .icon-people {
        background: #40c9c6;
      }

      .icon-message {
        background: #36a3f7;
      }

      .icon-money {
        background: #f4516c;
      }

      .icon-shopping {
        background: #34bfa3;
      }
    }

    .icon-people {
      color: #40c9c6;
    }

    .icon-message {
      color: #36a3f7;
    }

    .icon-money {
      color: #f4516c;
    }

    .icon-shopping {
      color: #34bfa3;
    }

    .card-panel-icon-wrapper {
      float: left;
      margin: 14px 0 0 14px;
      padding: 16px;
      transition: all 0.38s ease-out;
      border-radius: 6px;
    }

    .card-panel-icon {
      float: left;
      font-size: 48px;
    }

    .card-panel-description {
      float: right;
      font-weight: bold;
      margin: 26px;
      margin-left: 0;

      .card-panel-text {
        line-height: 18px;
        color: rgba(0, 0, 0, 0.45);
        font-size: 16px;
        margin-bottom: 12px;
      }

      .card-panel-num {
        font-size: 20px;
      }
    }
  }
}

@media (max-width: 550px) {
  .card-panel-description {
    display: none;
  }
  .card-panel-icon-wrapper {
    float: none !important;
    width: 100%;
    height: 100%;
    margin: 0 !important;

    .svg-icon {
      display: block;
      margin: 14px auto !important;
      float: none !important;
    }
  }
}
</style>

